The song "Nostalgia" by Elisa is about the feeling of longing for the past and the desire to escape from the hardships of life by turning to music. The lyrics depict a sense of loneliness and isolation as the night descends upon the characters in the song. Despite being surrounded by a crowded and noisy environment, some people choose not to speak and remain silent. The characters in the song are digging out their traumas and trying to hold on to their hopes for a better future. They find themselves alone and hiding from their troubles. However, they find solace in the power of music. They turn themselves into a "radio song," suggesting that they transform their pain and emotions into a catchy tune that can resonate with others. The lyrics convey the idea of overcoming hardships and choosing to move forward despite the struggles. The mention of "red eyes" and "silly alibis" implies that the characters acknowledge their past mistakes and are ready to leave them behind. They declare that life is like a song that can be whistled and danced to, symbolizing the ability to find joy and happiness amidst adversity. The chorus repeats the idea that the characters will become a radio song and forget their troubles. The lines "Oh, where have those good times gone? / You should have been given more should / Have been given love" express a yearning for the good times and a sense of regret for not having received enough love and care. Overall, "Nostalgia" is a song about finding solace in music and using it as a form of escape and healing. It encourages listeners to let go of past pain, embrace life's ups and downs, and find happiness in the present moment.